<template>
  <div class="box">
    <header class="header">
      <van-nav-bar title="购物车" left-arrow @click-left="$router.back()" />
    </header>
    <div class="content">
      <van-swipe-cell style="margin-bottom:5px" v-for="item in store.cartList" :key="item.id">
        <van-card
          :num="item.count"
          :price="item.price"
          :title="item.title"
          class="goods-card"
          :thumb="item.image"
        >
          <template #tag>
            <van-checkbox v-model="item.checked"></van-checkbox>
          </template>
          <template #footer>
            <van-stepper v-model="item.count" />
          </template>
        </van-card>
        <template #right>
          <van-button square text="删除" type="danger" class="delete-button" />
        </template>
      </van-swipe-cell>
    </div>
    <footer>
      <van-submit-bar :price="store.totalPrice" button-text="提交订单" @submit="onSubmit">
        <van-checkbox v-model="allChecked">全选</van-checkbox>
      </van-submit-bar>
    </footer>
  </div>
</template>
<script setup>
import { useCounterStore } from "@/stores/counter";
import { computed } from "vue";
const store = useCounterStore();
const allChecked = computed({
  get() {
    if (store.cartList.length == 0) {
      return false;
    } else {
      return store.cartList.every(item => item.checked);
    }
  },
  set(newValue) {
    store.cartList.forEach(item => (item.checked = newValue));
  }
});
</script>
<style lang='scss'>
.goods-card {
  margin: 0;
  background-color: white;
}

.delete-button {
  height: 100%;
}
</style>